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package cn.net.greenet.generalfile.servlet;

import cn.net.greenet.db.HibernateUtil;
import cn.net.greenet.db.bean.Webcategory;
import cn.net.greenet.generalfile.logic.DataChange;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

/**
 * 从数据库中读取Web分类库文件到UI
 *
 * @author ShiYun,2014/11/04
 */
@WebServlet(name = "ReadWeb2UI", urlPatterns = {"/common/get_web"})
public class ReadWeb2UI extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");
        String pageCount = request.getParameter("pageCount");
        String page = request.getParameter("page");
        String MessageType = request.getParameter("MessageType");
        String policy_instance = request.getParameter("policy_instance");

        int iDisplayStart = Integer.parseInt(request.getParameter("iDisplayStart"));//起始索引
        int iDisplayLength = Integer.parseInt(request.getParameter("iDisplayLength"));//每页显示条数
        JSONObject json = new JSONObject();
        JSONArray result = new JSONArray();
        SessionFactory sf = HibernateUtil.getSessionFactory();
        Session session = sf.openSession();
        session.clear();
        Query query = session.createQuery("From Webcategory");
        int length = query.list().size();
        query.setFirstResult(iDisplayStart);
        query.setMaxResults(iDisplayLength);
        List li = query.list();
        session.close();
        json.put("iTotalRecords", length);
        json.put("iTotalDisplayRecords", length);
        for (Object li1 : li) {
            JSONArray one = new JSONArray();
            Webcategory web = (Webcategory) li1;
            String hostName = web.getId().getHostName();
            Integer webTypeId = web.getId().getWebTypeId();
            String webTypeName = web.getWebTypeName();
            String id ="delectObj("+'"'+hostName + '_' + webTypeId + '_' + webTypeName+'"'+')';
            one.add(hostName);
            one.add(DataChange.dec2Hex_2(webTypeId));
            one.add(webTypeName);
            one.add("<a class='red' href='javascript:void(0)' title='删除' onclick='"+id+"'><i class='icon-trash bigger-130'></i></a>");
            result.add(one);
        }
        json.put("aaData", result);
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println(json.toString());
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
